Kaley Cuoco works out at the gym every day and it sure shows. On Friday the beauty shared a photo where she was in a bra and skirt from the set of The Big Bang Theory. She clearly has some enviable abs. The 37-year-old star’s caption read, ‘Finally allowed to post this pic! all new @bigbangtheory_cbs TONIGHT! I spend the entire episode in lingerie. Kidding just one scene – don’t miss it! #finalseason.’

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The bra was blue, as was her skirt. And the siren was posing next to her costar Johnny Galecki, 43. The Big Bang Theory is coming to a close after the current 12th season. Earlier this week, Cuoco opened up about the one item from the set she wants to steal.

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During the TCA Winter Press Tour on Thursday (via People), the actress said she has plans to take one item home from the set, a photo of robots boxing that has always been on a door, which she’s seen since the first day. ‘It’s something that I love so much, and I’ve looked at it for 12 years,’ Cuoco told reporters at the TCA Winter Press Tour. ‘It’s always in my eyeline from where I sit in the living room set, so I’m glad I’m going to put it in my own living room so I’ll see it forever,’ Cuoco added.

She said that, with just a handful of episodes left to shoot, the whole cast has their eye on certain items, but she has already ‘marked’ the poster as her own. ‘A lot of people want a lot of things, so I’ve already marked that one,’ the blonde beauty added. ‘It looks super random and weird, but it’s overly special to me.’

While there had been plenty of speculation about when the hit sitcom would come to an end, CBS announced in August that the 12th Season would be its last. The show will take its place in the TV history books as the longest-running multi-camera sitcom ever, but Cuoco would have stayed on ever longer. ‘I would’ve done 20 more seasons,’ the actress added. ‘It’s a magical place but life has to go on. It does feel good to go out on top.’

She added that the show represented a ‘perfect science experiment’ where ‘it all came together.’ ‘There’s no missing link. No one has ever half-assed one moment of this show. Everyone cares so much. It means just as much to me as it does to anyone else working here,’ Cuoco added. ‘These characters are special. They were the underdogs in the beginning, which now, I think, they’ve totally come out on top. I still think we made nerdy cool 12 years ago when it wasn’t,’ she proclaimed.

Cuoco, along with the rest of the cast, appeared on a recent episode of Ellen, where it was revealed they only have nine more episodes to film. She also spoke about a random scene they were filming, which happened to make her cry out of the blue. ‘We were doing a scene before the holiday, we were just blocking, and we were the only two in it, just kind of rehearsing the scene when, out of nowhere, I just started bawling,’ Cuoco said. The Big Bang Theory airs Thursday nights at 8 PM ET on CBS.